a thought for our viewers, think about what happened in china last week right when this happened. 23 children were stabbed in a school and they lived. it was a knife and not a gun. it probably would have ended differently if it had been a gun like in connecticut. >>> ahead a blizzard threatens to ryan holiday travel plans for thousands. plus the hot seat on capitol hill. officials making promises. [ female announcer ] research suggests cell health plays a key role throughout our lives. one a day women's 50+ is a complete multivitamin designed for women's health concerns as we age. it has 7 antioxidants to support cell health. one a day 50+. >>> our third story "outfront," a major snowstorm paralyzing holiday travel. there has been near blizzard conditions already in chicago. half a foot of snow forecast and the timing coming be worse. tomorrow will be the worst day of the holiday season. karen mcginnis is out front. what's the latest on the storm and is it going to move east in. >> it is going to be moving east and this powerful area of low pressure is now centered just over the lowe